*SUPPORT*
IN: wif gazzer gazzer zup OUT: BLUE RED RED PURPLE
IN: lug blicket lug OUT: YELLOW YELLOW
IN: wif OUT: BLUE
IN: zup zup fep wif OUT: PURPLE BLUE PURPLE PURPLE
IN: wif lug fep lug OUT: BLUE YELLOW YELLOW YELLOW
IN: gazzer gazzer fep zup OUT: RED PURPLE RED RED
IN: zup OUT: PURPLE
IN: lug OUT: YELLOW
IN: wif fep zup OUT: PURPLE BLUE BLUE
IN: lug fep lug OUT: YELLOW YELLOW YELLOW
IN: gazzer wif OUT: RED BLUE
IN: wif fep wif blicket zup OUT: PURPLE BLUE BLUE BLUE
IN: lug fep gazzer OUT: RED YELLOW YELLOW
IN: zup fep gazzer OUT: RED PURPLE PURPLE

*QUERY*
IN: lug fep zup OUT: PURPLE YELLOW YELLOW
IN: lug fep wif OUT: BLUE YELLOW YELLOW
IN: zup fep zup OUT: PURPLE PURPLE PURPLE
IN: gazzer OUT: RED
IN: wif fep wif OUT: BLUE BLUE BLUE
IN: gazzer zup fep gazzer blicket zup OUT: PURPLE RED RED PURPLE PURPLE
IN: wif tufa wif OUT: BLUE BLUE BLUE BLUE BLUE
IN: zup tufa zup OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: gazzer wif fep zup OUT: RED PURPLE BLUE BLUE
IN: zup zup OUT: PURPLE PURPLE

*GRAMMAR*
zup -> PURPLE 
 gazzer -> RED 
 lug -> YELLOW 
 wif -> BLUE 
 x1 tufa x2 -> [x2] [x2] [x2] [x1] [x2] 
 u1 fep u2 -> [u2] [u1] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 